10.11.00.260 and above
This document shares a way to get back the Equipment Categories that gets disappeared when Custom Attribute is added to the Schemas.
User has introduced a new equipment category by incorporating a new customized attribute into the OpenPlant_3D_Supplemental_Modeling.01.08.ecschema.xml. However, this customization had led to an issue where the Create Equipment tool in OPM fails to display the complete range of available categories for creating equipment.
Adding New Category Motor.
Below image shows the changes seen in the schema after a category is added.
If above problem still persists, then please create a Service Request and contact the Bentley Product Advantage group. Please include a list of all relevant details to get in depth analysis for a solution or workaround